An Otter Tail Company

Ashtabula Wind Energy Center photos

Turbines and blades

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Unloading the nacelle with a large crane.
Construction mats were laid over the mud to provide a more stable work space.
Each blade is about 120 feet long creating a rotating diameter of more than 240 feet.
Two different blade manufacturers supplied blades for the project. Blades are purchased in sets of three because their blade weights vary slightly.
Each blade weighs about 13,000 pounds.
When the three blades are attached to the hub, the combined weight is more than 24 tons.